gaborgsomogyi commented on a change in pull request #22952: [SPARK-20568][SS]
Provide option to clean up completed files in streaming query
URL: https://github.com/apache/spark/pull/22952#discussion_r256462935
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/FileStreamSource.scala
##########
@@ -257,16 +261,33 @@ class FileStreamSource(
* equal to `end` and will only request offsets greater than `end` in the
future.
*/
override def commit(end: Offset): Unit = {
- // No-op for now; FileStreamSource currently garbage-collects files based
on timestamp
- // and the value of the maxFileAge parameter.
+ val logOffset = FileStreamSourceOffset(end).logOffset
+
+ if (sourceOptions.cleanSource != CleanSourceMode.NO_OP) {
+ val files = metadataLog.get(Some(logOffset),
Some(logOffset)).flatMap(_._2)
+ val validFileEntities = files.filter(_.batchId == logOffset)
+ logDebug(s"completed file entries: ${validFileEntities.mkString(",")}")
+ sourceOptions.cleanSource match {
+ case CleanSourceMode.ARCHIVE =>
+ validFileEntities.foreach(sourceCleaner.archive)
+
+ case CleanSourceMode.DELETE =>
Review comment:
Without this change the file which uploaded with the same name not get
processed again. It may cause issues with exactly once...
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
[email protected]
With regards,
Apache Git Services
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
